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BOSTON MARATHON 2025

Derek Oliver

MA

Bib: 27441 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:53/mi
30:43
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:40/mi
1:00:46
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:52/mi
1:31:26
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:27/mi
2:03:54
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:37/mi
2:10:28
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:46/mi
2:38:59
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:31/mi
3:14:45
↑ 181↓ 1480.2%
138 ft elev
20M
12:59/mi
3:32:24
↑ 64↓ 500.2%
148 ft elev
21M
12:20/mi
3:44:44
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:03/mi
3:53:00
↑ 17↓ 861.7%
156 ft elev
23M
10:25/mi
4:06:02
↑ 23↓ 630.6%
116 ft elev
24M
13:18/mi
4:19:20
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:09/mi
4:28:52
↓ 200.3%
20 ft elev
25.2M
14:44/mi
4:33:57
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:15/mi
4:43:23
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:28
Pace9:57 /mi
2nd Half
Distance13.11 mi
Time2:32:55
Pace11:40 /mi
📊Positive Split: 17.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:0430:439:5330:43
9:53
-
10K
6.21 mi12:17:071:00:469:4730:03
9:40
-0:13
15K
9.32 mi12:47:471:31:269:4930:40
9:52
+0:12
20K
12.43 mi13:20:152:03:549:5832:28
10:27
+0:35
Half
13.11 mi13:26:492:10:289:576:34
9:37
-0:50
25K
15.53 mi13:55:202:38:5910:1428:31
11:46
+2:09
30K
18.64 mi14:31:063:14:4510:2735:46
11:31
-0:15
20M
20.00 mi14:48:453:32:2410:3717:39
12:59
+1:28
21M
21.00 mi15:01:053:44:4410:4212:20
12:20
-0:39
35K
21.75 mi15:09:213:53:0010:438:16
11:03
-1:17
23M
23.00 mi15:22:234:06:0210:4213:02
10:25
-0:38
24M
24.00 mi15:35:414:19:2010:4813:18
13:18
+2:53
40K
24.85 mi15:45:134:28:5210:499:32
11:09
-2:09
25.2M
25.20 mi15:50:184:33:5710:525:05
14:44
+3:35
Finish
26.22 mi15:59:444:43:2310:499:26
9:15
-5:29

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:15 /mi

Average Pace

10:49 /mi

Slowest Pace

14:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:26

38% of race

Time at Steady Pace

2:07:35

45% of race

Time at Slower Pace

48:22

17% of race

Average Pace: 10:48 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:47:0430:439:5330:43
9:53
#25317
10K
6.21 mi12:17:071:00:469:4730:03
9:40
#24925
15K
9.32 mi12:47:471:31:269:4930:40
9:52
#24842
20K
12.43 mi13:20:152:03:549:5832:28
10:27
#24943
Half
13.11 mi13:26:492:10:289:576:34
9:37
#24873
25K
15.53 mi13:55:202:38:5910:1428:31
11:46
#25190
30K
18.64 mi14:31:063:14:4510:2735:46
11:31
#25128
20M
20.00 mi14:48:453:32:2410:3717:39
12:59
#25275
21M
21.00 mi15:01:053:44:4410:4212:20
12:20
#25238
35K
21.75 mi15:09:213:53:0010:438:16
11:03
#25208
23M
23.00 mi15:22:234:06:0210:4213:02
10:25
#25074
24M
24.00 mi15:35:414:19:2010:4813:18
13:18
#25176
40K
24.85 mi15:45:134:28:5210:499:32
11:09
#25135
25.2M
25.20 mi15:50:184:33:5710:525:05
14:44
#25173
Finish
26.22 mi15:59:444:43:2310:499:26
9:15
#25075
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi25317148711487124706(Top 87%)14584(Top 91%)14584(Top 611%)
10K6.21 mi3.10 mi24925+39214674+19714674+19724541(Top 86%)14492(Top 90%)14492(Top 607%)
15K9.32 mi3.11 mi24842+8314644+3014644+3024706(Top 87%)14584(Top 91%)14584(Top 611%)
20K12.43 mi3.11 mi24943-10114672-2814672-2825110(Top 88%)14724(Top 91%)14724(Top 617%)
Half13.11 mi0.68 mi24873+7014640+3214640+3223914(Top 84%)14204(Top 88%)14204(Top 595%)
25K15.53 mi2.42 mi25190-31714768-12814768-12826163(Top 92%)15145(Top 94%)15145(Top 635%)
30K18.64 mi3.11 mi25128+6214711+5714711+5724857(Top 88%)14467(Top 90%)14467(Top 606%)
20M20.00 mi1.36 mi25275-14714757-4614757-4626431(Top 93%)15118(Top 94%)15118(Top 634%)
21M21.00 mi1.00 mi25238+3714729+2814729+2824157(Top 85%)13986(Top 87%)13986(Top 586%)
35K21.75 mi0.75 mi25208+3014712+1714712+1724313(Top 86%)14026(Top 87%)14026(Top 588%)
23M23.00 mi1.25 mi25074+13414637+7514637+7521766(Top 77%)12762(Top 79%)12762(Top 535%)
24M24.00 mi1.00 mi25176-10214678-4114678-4127147(Top 96%)15360(Top 95%)15360(Top 644%)
40K24.85 mi0.85 mi25135+4114651+2714651+2723458(Top 83%)13480(Top 84%)13480(Top 565%)
25.2M25.20 mi0.35 mi25173-3814666-1514666-1526940(Top 95%)15236(Top 95%)15236(Top 639%)
Finish26.22 mi1.02 mi25075+9814613+5314613+5320217(Top 71%)11915(Top 74%)11915(Top 499%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24706

Males

14584

M45-49

14584

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

24541

Males

14492

M45-49

14492

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24706

Males

14584

M45-49

14584

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

25110

Males

14724

M45-49

14724

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

23914

Males

14204

M45-49

14204

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

26163

Males

15145

M45-49

15145

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

24857

Males

14467

M45-49

14467

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

26431

Males

15118

M45-49

15118

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

24157

Males

13986

M45-49

13986

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

24313

Males

14026

M45-49

14026

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

21766

Males

12762

M45-49

12762

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

27147

Males

15360

M45-49

15360

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23458

Males

13480

M45-49

13480

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

26940

Males

15236

M45-49

15236

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

20217

Males

11915

M45-49

11915

Passing Analysis

Category:
Athletes Passed
1393
Passed By
1151
Net Change
+242
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25317
5K → 10K43947+392#25317#24925
10K → 15K16380+83#24925#24842
15K → 20K108209-101#24842#24943
20K → Half777+70#24943#24873
Half → 25K25342-317#24873#25190
25K → 30K15694+62#25190#25128
30K → 20M22169-147#25128#25275
20M → 21M6124+37#25275#25238
21M → 35K377+30#25238#25208
35K → 23M1351+134#25208#25074
23M → 24M13115-102#25074#25176
24M → 40K509+41#25176#25135
40K → 25.2M644-38#25135#25173
25.2M → Finish1013+98#25173#25075
TOTALS13931151+242
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing